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Date: Thu, 6 Apr 2023 18:44:35 -0700
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Subject: Error running setup-x86_64.exe: syntax error in setup.zst
To: cygwin AT cygwin DOT com
Cc: Keith Thompson <keithsthompson AT gmail DOT com>
From: Keith Thompson via Cygwin <cygwin AT cygwin DOT com>
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Running setup-x86_64.exe on a Windows 10 laptop, I get this error message:

https://mirrors.kernel.org/sourceware/cygwin/x86_64/setup.zst line
30182: syntax error, unexpected $undefined, expecting COMMA or NL
https://mirrors.kernel.org/sourceware/cygwin/x86_64/setup.zst line
30182: unrecognized line 30183 (do you have the latest setup?)
https://mirrors.kernel.org/sourceware/cygwin/x86_64/setup.zst line
30203: syntax error, unexpected $undefined, expecting COMMA or NL
https://mirrors.kernel.org/sourceware/cygwin/x86_64/setup.zst line
30203: unrecognized line 30204 (do you have the latest setup?)

(I can't copy the text from the message box so I retyped it.)

I re-downloaded setup-x86_64.exec, and it's identical to the one on my laptop.

I'm using the mirrors.kernel.org mirror.
The setup.zst from mirrors.dotsrc.org is identical.
I decompressed setup.zst and I do see something suspicious on the
indicated lines.

Here's line 30182:

build-depends: \, bison, cygport, dblatex, docbook2X, flex,
gettext-devel, libGLU-devel, libcairo-devel, libcanberra-gtk-devel,
libcurl-devel, libfreetype-devel, libglib2.0-devel, libgmp-devel,
libgtk2.0-devel, libgtkglext1.0-devel, libpango1.0-devel,
libpng-devel, libreadline-devel, libsqlite3-devel, libxslt,
python3-devel, texinfo

Line 30203 is similar. I don't see a lone backslash anywhere else in the file.

The setup.zst from mirrors.sonic.net does *not* have problematic
build-depends lines.
(Switching to a different mirror might be a workaround, but I haven't
tried it yet.)

The "bad" setup.zst has "setup-timestamp: 1680813730" (Thu 2023-04-06
20:42:10 UTC).
The "good" setup.zst has "setup-timestamp: 1680795371" (Thu 2023-04-06
15:36:11 UTC).
The bad one is about 5 hours newer than the good one.
I'm concerned that the bad setup.zst might propagate to other mirrors.

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